Question: ) Complete the code to output the number 2 0 . function swap ( _ _ _ _ _ ) { $temp = $x; $x
Complete the code to output the number
function swap
$temp $x;
$x $y;
$y $temp;
$a ;
$b ;
swap$a $b;
echo $a;
a x y
b $x $y
c &x &y
d &$x &$y
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